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3 years ago

10

A study of a new medical procedure selected 27 candidates from a pool of 583 potential candidates.Each of the candidates had an

equal possibility of being chosen.Which sampling method was used ?

1 answer:

nikklg [1K]3 years ago

7 0

The answer is random sampling

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Solve this problem plz

yanalaym [24]

One way of attacking this problem would be to cross multiply:

(5/12)k = (5/3)(5/2)
(5/3)(5/2) 25/6 50/12
Solving for k: k = -------------- = ----------- = ------------ = 10 (answer)
5/12 5/12 5/12

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3 years ago

I don’t get this can someone explain this

LekaFEV [45]

Answer:

15.7 units

Step-by-step explanation:

AB = 6, BC = 3

Therefore by Pythagoras theorem

AC = $\sqrt{45}$

$perimeter \: of \: \triangle \: ABC \\ = 6 + 3 + \sqrt{45} \\ = 9 + 6.70820393 \\ = 9 + 6.7 \\ = 15.7\: units$

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3 years ago

Without using a calculator, determine the number of real zeros of the function f(x) = 3x4-10x3-24x2-6x+5

Oksana_A [137]

X= 5, 1/3, -1 I hope i helped

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4 years ago

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Ede4ka [16]

(-4,-8) because it satisfies both equations

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Which function in vertex form is equivalent to f(x) = x2 + x +1?

irina1246 [14]

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